CHIRP

# Copyright 2021 Jim Unroe <rock.unroe@gmail.com>

#

# This program is free software: you can redistribute it and/or modify

# it under the terms of the GNU General Public License as published by

# the Free Software Foundation, either version 2 of the License, or

# (at your option) any later version.

#

# This program is distributed in the hope that it will be useful,

# but WITHOUT ANY WARRANTY; without even the implied warranty of

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

# GNU General Public License for more details.

#

# You should have received a copy of the GNU General Public License

# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import time

import os

import struct

import logging

from chirp import (

    bitwise,

    chirp_common,

    directory,

    errors,

    memmap,

    util,

)

from chirp.settings import (

    RadioSetting,

    RadioSettingGroup,

    RadioSettings,

    RadioSettingValueBoolean,

    RadioSettingValueInteger,

    RadioSettingValueList,

    RadioSettingValueString,

)

LOG = logging.getLogger(__name__)

MEM_FORMAT = """

#seekto 0x0010;

struct {

  lbcd rxfreq[4];       // RX Frequency           0-3

  lbcd txfreq[4];       // TX Frequency           4-7

  ul16 rx_tone;         // PL/DPL Decode          8-9

  ul16 tx_tone;         // PL/DPL Encode          A-B

  u8 unknown1:3,        //                        C

     bcl:2,             // Busy Lock

     unknown2:3;

  u8 unknown3:2,        //                        D

     highpower:1,       // Power Level

     wide:1,            // Bandwidth

     unknown4:4;

  u8 scramble_type:4,   // Scramble Type          E

     unknown5:4;

  u8 unknown6:4,

     scramble_type2:4;  // Scramble Type 2        F

} memory[16];

#seekto 0x011D;

struct {

  u8 unused:4,

     pf1:4;             // Programmable Function Key 1

} keys;

#seekto 0x012C;

struct {

  u8 use_scramble;      // Scramble Enable

  u8 unknown1[2];

  u8 voice;             // Voice Annunciation

  u8 tot;               // Time-out Timer

  u8 totalert;          // Time-out Timer Pre-alert

  u8 unknown2[2];

  u8 squelch;           // Squelch Level

  u8 save;              // Battery Saver

  u8 unknown3[3];

  u8 use_vox;           // VOX Enable

  u8 vox;               // VOX Gain

} settings;

#seekto 0x017E;

u8 skipflags[2];       // SCAN_ADD

"""

MEM_FORMAT_RB17A = """

struct memory {

  lbcd rxfreq[4];      // 0-3

  lbcd txfreq[4];      // 4-7

  ul16 rx_tone;        // 8-9

  ul16 tx_tone;        // A-B

  u8 unknown1:1,       // C

     compander:1,      // Compand

     bcl:2,            // Busy Channel Lock-out

     cdcss:1,          // Cdcss Mode

     scramble_type:3;  // Scramble Type

  u8 unknown2:4,       // D

     middlepower:1,    // Power Level-Middle

     unknown3:1,       //

     highpower:1,      // Power Level-High/Low

     wide:1;           // Bandwidth

  u8 unknown4;         // E

  u8 unknown5;         // F

};

#seekto 0x0010;

  struct memory lomems[16];

#seekto 0x0200;

  struct memory himems[14];

#seekto 0x011D;

struct {

  u8 pf1;              // 011D PF1 Key

  u8 topkey;           // 011E Top Key

} keys;

#seekto 0x012C;

struct {

  u8 use_scramble;     // 012C Scramble Enable

  u8 channel;          // 012D Channel Number

  u8 alarm;            // 012E Alarm Type

  u8 voice;            // 012F Voice Annunciation

  u8 tot;              // 0130 Time-out Timer

  u8 totalert;         // 0131 Time-out Timer Pre-alert

  u8 unknown2[2];

  u8 squelch;          // 0134 Squelch Level

  u8 save;             // 0135 Battery Saver

  u8 unknown3[3];

  u8 use_vox;          // 0139 VOX Enable

  u8 vox;              // 013A VOX Gain

} settings;

#seekto 0x017E;

u8 skipflags[4];       // Scan Add

"""

MEM_FORMAT_RB26 = """

#seekto 0x0000;

struct {

  lbcd rxfreq[4];      // RX Frequency           0-3

  lbcd txfreq[4];      // TX Frequency           4-7

  ul16 rx_tone;        // PL/DPL Decode          8-9

  ul16 tx_tone;        // PL/DPL Encode          A-B

  u8 compander:1,      // Compander              C

     unknown1:1,       //

     highpower:1,      // Power Level

     wide:1,           // Bandwidth

     bcl:1,            // Busy Lock  OFF=0 ON=1

     unknown2:3;       //

  u8 reserved[3];      // Reserved               D-F

} memory[30];

#seekto 0x002D;

struct {

  u8 unknown_1:1,      //                        002D

     chnumberd:1,      // Channel Number Disable

     gain:1,           // MIC Gain

     savem:1,          // Battery Save Mode

     save:1,           // Battery Save

     beep:1,           // Beep

     voice:1,          // Voice Prompts

     unknown_2:1;      //

  u8 squelch;          // Squelch                002E

  u8 tot;              // Time-out Timer         002F

  u8 channel_4[13];    //                        0030-003C

  u8 unknown_3[3];     //                        003D-003F

  u8 channel_5[13];    //                        0040-004C

  u8 unknown_4;        //                        004D

  u8 unknown_5[2];     //                        004E-004F

  u8 channel_6[13];    //                        0050-005C

  u8 unknown_6;        //                        005D

  u8 unknown_7[2];     //                        005E-005F

  u8 channel_7[13];    //                        0060-006C

  u8 warn;             // Warn Mode              006D

  u8 pf1;              // Key Set PF1            006E

  u8 pf2;              // Key Set PF2            006F

  u8 channel_8[13];    //                        0070-007C

  u8 unknown_8;        //                        007D

  u8 tail;             // QT/DQT Tail(inverted)  007E

} settings;

#seekto 0x01F0;

u8 skipflags[4];       // Scan Add

#seekto 0x029F;

struct {

  u8 chnumber;         // Channel Number         029F

} settings2;

#seekto 0x031D;

struct {

  u8 unused:7,         //                        031D

     vox:1;            // Vox

  u8 voxl;             // Vox Level              031E

  u8 voxd;             // Vox Delay              031F

} settings3;

"""

MEM_FORMAT_RT76 = """

#seekto 0x0000;

struct {

  lbcd rxfreq[4];      // RX Frequency           0-3

  lbcd txfreq[4];      // TX Frequency           4-7

  ul16 rx_tone;        // PL/DPL Decode          8-9

  ul16 tx_tone;        // PL/DPL Encode          A-B

  u8 compander:1,      // Compander              C

     unknown1:1,       //

     highpower:1,      // Power Level

     wide:1,           // Bandwidth

     unknown2:4;       //

  u8 reserved[3];      // Reserved               D-F

} memory[30];

#seekto 0x002D;

struct {

  u8 unknown_1:1,      //                        002D

     chnumberd:1,      // Channel Number Disable

     gain:1,           // MIC Gain                                 ---

     savem:1,          // Battery Save Mode                        ---

     save:1,           // Battery Save                             ---

     beep:1,           // Beep                                     ---

     voice:2;          // Voice Prompts                            ---

  u8 squelch;          // Squelch                002E              ---

  u8 tot;              // Time-out Timer         002F              ---

  u8 channel_4[13];    //                        0030-003C

  u8 unused:7,         //                        003D

     vox:1;            // Vox                                      ---

  u8 voxl;             // Vox Level              003E              ---

  u8 voxd;             // Vox Delay              003F              ---

  u8 channel_5[13];    //                        0040-004C

  u8 unknown_4;        //                        004D

  u8 unknown_5[2];     //                        004E-004F

  u8 channel_6[13];    //                        0050-005C

  u8 chnumber;         // Channel Number         005D              ---

  u8 unknown_7[2];     //                        005E-005F

  u8 channel_7[13];    //                        0060-006C

  u8 warn;             //                        006D              ---

} settings;

"""

CMD_ACK = "\x06"

ALARM_LIST = ["Local Alarm", "Remote Alarm"]

BCL_LIST = ["Off", "Carrier", "QT/DQT"]

CDCSS_LIST = ["Normal Code", "Special Code 2", "Special Code 1"]

GAIN_LIST = ["Standard", "Enhanced"]

PFKEY_LIST = ["None", "Monitor", "Lamp", "Warn", "VOX", "VOX Delay",

              "Key Lock", "Scan"]

SAVE_LIST = ["Standard", "Super"]

SCRAMBLE_LIST = ["%s" % x for x in range(1, 9)]

TIMEOUTTIMER_LIST = ["%s seconds" % x for x in range(15, 615, 15)]

TOTALERT_LIST = ["Off"] + ["%s seconds" % x for x in range(1, 11)]

VOICE_LIST = ["Off", "Chinese", "English"]

VOICE_LIST2 = ["Off", "English"]

VOICE_LIST3 = VOICE_LIST2 + ["Chinese"]

VOX_LIST = ["OFF"] + ["%s" % x for x in range(1, 17)]

VOXD_LIST = ["0.5", "1.0", "1.5", "2.0", "2.5", "3.0"]

VOXL_LIST = ["OFF"] + ["%s" % x for x in range(1, 9)]

WARN_LIST = ["OFF", "Native Warn", "Remote Warn"]

PF1_CHOICES = ["None", "Monitor", "Scan", "Scramble", "Alarm"]

PF1_VALUES = [0x0F, 0x04, 0x06, 0x08, 0x0C]

TOPKEY_CHOICES = ["None", "Alarming"]

TOPKEY_VALUES = [0xFF, 0x0C]

SETTING_LISTS = {

    "alarm": ALARM_LIST,

    "bcl": BCL_LIST,

    "cdcss": CDCSS_LIST,

    "gain": GAIN_LIST,

    "pfkey": PFKEY_LIST,

    "save": SAVE_LIST,

    "scramble": SCRAMBLE_LIST,

    "tot": TIMEOUTTIMER_LIST,

    "totalert": TOTALERT_LIST,

    "voice": VOICE_LIST,

    "voice": VOICE_LIST2,

    "voice": VOICE_LIST3,

    "vox": VOX_LIST,

    "voxd": VOXD_LIST,

    "voxl": VOXL_LIST,

    "warn": WARN_LIST,

    }

GMRS_FREQS1 = [462.5625, 462.5875, 462.6125, 462.6375, 462.6625,

               462.6875, 462.7125]

GMRS_FREQS2 = [467.5625, 467.5875, 467.6125, 467.6375, 467.6625,

               467.6875, 467.7125]

GMRS_FREQS3 = [462.5500, 462.5750, 462.6000, 462.6250, 462.6500,

               462.6750, 462.7000, 462.7250]

GMRS_FREQS = GMRS_FREQS1 + GMRS_FREQS2 + GMRS_FREQS3 * 2

MURS_FREQS = [151.820, 151.880, 151.940, 154.570, 154.600] ##* 3

##FM_MODE = [3, 4, 8, 9, 13, 14]

def _enter_programming_mode(radio):

    serial = radio.pipe

    exito = False

    for i in range(0, 5):

        serial.write(radio._magic)

        ack = serial.read(1)

        if ack == "\x00":

            ack = serial.read(1)

        try:

            if ack == CMD_ACK:

                exito = True

                break

        except:

            LOG.debug("Attempt #%s, failed, trying again" % i)

            pass

    # check if we had EXITO

    if exito is False:

        msg = "The radio did not accept program mode after five tries.\n"

        msg += "Check you interface cable and power cycle your radio."

        raise errors.RadioError(msg)

    try:

        serial.write("\x02")

        ident = serial.read(8)

    except:

        raise errors.RadioError("Error communicating with radio")

    if not ident == radio._fingerprint:

        LOG.debug(util.hexprint(ident))

        raise errors.RadioError("Radio returned unknown identification string")

    try:

        serial.write(CMD_ACK)

        ack = serial.read(1)

    except:

        raise errors.RadioError("Error communicating with radio")

    if ack != CMD_ACK:

        raise errors.RadioError("Radio refused to enter programming mode")

def _exit_programming_mode(radio):

    serial = radio.pipe

    try:

        serial.write("E")

    except:

        raise errors.RadioError("Radio refused to exit programming mode")

def _read_block(radio, block_addr, block_size):

    serial = radio.pipe

    cmd = struct.pack(">cHb", 'R', block_addr, block_size)

    expectedresponse = "W" + cmd[1:]

    LOG.debug("Reading block %04x..." % (block_addr))

    try:

        serial.write(cmd)

        response = serial.read(4 + block_size)

        if response[:4] != expectedresponse:

            raise Exception("Error reading block %04x." % (block_addr))

        block_data = response[4:]

        serial.write(CMD_ACK)

        ack = serial.read(1)

    except:

        raise errors.RadioError("Failed to read block at %04x" % block_addr)

    if ack != CMD_ACK:

        raise Exception("No ACK reading block %04x." % (block_addr))

    return block_data

def _rb26_read_block(radio, block_addr, block_size):

    serial = radio.pipe

    cmd = struct.pack(">cHb", 'R', block_addr, block_size)

    expectedresponse = "W" + cmd[1:]

    LOG.debug("Reading block %04x..." % (block_addr))

    try:

        serial.write(cmd)

        response = serial.read(4 + block_size)

        if response[:4] != expectedresponse:

            raise Exception("Error reading block %04x." % (block_addr))

        block_data = response[4:]

        if block_addr != 0:

            serial.write(CMD_ACK)

            ack = serial.read(1)

    except:

        raise errors.RadioError("Failed to read block at %04x" % block_addr)

    if block_addr != 0:

        if ack != CMD_ACK:

            raise Exception("No ACK reading block %04x." % (block_addr))

    return block_data

def _write_block(radio, block_addr, block_size):

    serial = radio.pipe

    cmd = struct.pack(">cHb", 'W', block_addr, block_size)

    data = radio.get_mmap()[block_addr:block_addr + block_size]

    LOG.debug("Writing Data:")

    LOG.debug(util.hexprint(cmd + data))

    try:

        serial.write(cmd + data)

        if serial.read(1) != CMD_ACK:

            raise Exception("No ACK")

    except:

        raise errors.RadioError("Failed to send block "

                                "to radio at %04x" % block_addr)

def do_download(radio):

    LOG.debug("download")

    _enter_programming_mode(radio)

    data = ""

    status = chirp_common.Status()

    status.msg = "Cloning from radio"

    status.cur = 0

    status.max = radio._memsize

    for addr in range(0, radio._memsize, radio.BLOCK_SIZE):

        status.cur = addr + radio.BLOCK_SIZE

        radio.status_fn(status)

        if radio.MODEL == "RB26" or radio.MODEL == "RT76":

            block = _rb26_read_block(radio, addr, radio.BLOCK_SIZE)

        else:

            block = _read_block(radio, addr, radio.BLOCK_SIZE)

        data += block

        LOG.debug("Address: %04x" % addr)

        LOG.debug(util.hexprint(block))

    _exit_programming_mode(radio)

    return memmap.MemoryMap(data)

def do_upload(radio):

    status = chirp_common.Status()

    status.msg = "Uploading to radio"

    _enter_programming_mode(radio)

    status.cur = 0

    status.max = radio._memsize

    for start_addr, end_addr in radio._ranges:

        for addr in range(start_addr, end_addr, radio.BLOCK_SIZE_UP):

            status.cur = addr + radio.BLOCK_SIZE_UP

            radio.status_fn(status)

            _write_block(radio, addr, radio.BLOCK_SIZE_UP)

    _exit_programming_mode(radio)

def model_match(cls, data):

    """Match the opened/downloaded image to the correct version"""

    rid = data[0x01B8:0x01BE]

    return rid.startswith("P3207")

@directory.register

class RT21Radio(chirp_common.CloneModeRadio):

    """RETEVIS RT21"""

    VENDOR = "Retevis"

    MODEL = "RT21"

    BAUD_RATE = 9600

    BLOCK_SIZE = 0x10

    BLOCK_SIZE_UP = 0x10

    POWER_LEVELS = [chirp_common.PowerLevel("Low", watts=1.00),

                    chirp_common.PowerLevel("High", watts=2.50)]

    _magic = "PRMZUNE"

    _fingerprint = "P3207s\xF8\xFF"

    _upper = 16

    _skipflags = True

    _reserved = False

    _gmrs = False

    _murs = False

    _ranges = [

               (0x0000, 0x0400),

              ]

    _memsize = 0x0400

    def get_features(self):

        rf = chirp_common.RadioFeatures()

        rf.has_settings = False ##True

        rf.has_bank = False

        rf.has_ctone = True

        rf.has_cross = True

        rf.has_rx_dtcs = True

        rf.has_tuning_step = False

        rf.can_odd_split = True

        rf.has_name = False

        rf.valid_skips = ["", "S"]

        rf.valid_tmodes = ["", "Tone", "TSQL", "DTCS", "Cross"]

        rf.valid_cross_modes = ["Tone->Tone", "Tone->DTCS", "DTCS->Tone",

                                "->Tone", "->DTCS", "DTCS->", "DTCS->DTCS"]

        rf.valid_power_levels = self.POWER_LEVELS

        rf.valid_duplexes = ["", "-", "+", "split", "off"]

        rf.valid_modes = ["NFM", "FM"]  # 12.5 KHz, 25 kHz.

        rf.memory_bounds = (1, self._upper)

        rf.valid_tuning_steps = [2.5, 5., 6.25, 10., 12.5, 25.]

        rf.valid_bands = [(400000000, 480000000)]

        return rf

    def process_mmap(self):

        self._memobj = bitwise.parse(MEM_FORMAT, self._mmap)

    def validate_memory(self, mem):

        msgs = ""

        msgs = chirp_common.CloneModeRadio.validate_memory(self, mem)

        _msg_freq = 'Memory location cannot change frequency'

        _msg_simplex = 'Memory location only supports Duplex:(None)'

        _msg_duplex = 'Memory location only supports Duplex: +'

        _msg_offset = 'Memory location only supports Offset: 5.000000'

        _msg_nfm = 'Memory location only supports Mode: NFM'

        _msg_txp = 'Memory location only supports Power: Low'

        # GMRS models

        if self._gmrs:

            # range of memories with values set by FCC rules

            if mem.freq != int(GMRS_FREQS[mem.number - 1] * 1000000):

                # warn user can't change frequency

                msgs.append(chirp_common.ValidationError(_msg_freq))

            # channels 1 - 22 are simplex only

            if mem.number <= 22:

                if str(mem.duplex) != "":

                    # warn user can't change duplex

                    msgs.append(chirp_common.ValidationError(_msg_simplex))

            # channels 23 - 30 are +5 MHz duplex only

            if mem.number >= 23:

                if str(mem.duplex) != "+":

                    # warn user can't change duplex

                    msgs.append(chirp_common.ValidationError(_msg_duplex))

                if str(mem.offset) != "5000000":

                    # warn user can't change offset

                    msgs.append(chirp_common.ValidationError(_msg_offset))

            # channels 8 - 14 are low power NFM only

            if mem.number >= 8 and mem.number <= 14:

                if mem.mode != "NFM":

                    # warn user can't change mode

                    msgs.append(chirp_common.ValidationError(_msg_nfm))

                if mem.power != "Low":

                    # warn user can't change power

                    msgs.append(chirp_common.ValidationError(_msg_txp))

        # MURS models

        if self._murs:

            if mem.number <= 5:

                # range of memories with values set by FCC rules

                if mem.freq != int(MURS_FREQS[mem.number - 1] * 1000000):

                    # warn user can't change frequency

                    msgs.append(chirp_common.ValidationError(_msg_freq))

            # channels 1 - 15 are simplex only

            if mem.duplex not in ['', 'off']:

                # warn user can't change duplex

                msgs.append(chirp_common.ValidationError(_msg_simplex))

        return msgs

    def sync_in(self):

        """Download from radio"""

        try:

            data = do_download(self)

        except errors.RadioError:

            # Pass through any real errors we raise

            raise

        except:

            # If anything unexpected happens, make sure we raise

            # a RadioError and log the problem

            LOG.exception('Unexpected error during download')

            raise errors.RadioError('Unexpected error communicating '

                                    'with the radio')

        self._mmap = data

        self.process_mmap()

    def sync_out(self):

        """Upload to radio"""

        try:

            do_upload(self)

        except:

            # If anything unexpected happens, make sure we raise

            # a RadioError and log the problem

            LOG.exception('Unexpected error during upload')

            raise errors.RadioError('Unexpected error communicating '

                                    'with the radio')

    def get_raw_memory(self, number):

        return repr(self._memobj.memory[number - 1])

    def _is_txinh(self, _mem):

        raw_tx = ""

        for i in range(0, 4):

            raw_tx += _mem.txfreq[i].get_raw()

        return raw_tx == "\xFF\xFF\xFF\xFF"

    def _get_tone(self, _mem, mem):

        def _get_dcs(val):

            code = int("%03o" % (val & 0x07FF))

            pol = (val & 0x8000) and "R" or "N"

            return code, pol

        if _mem.tx_tone != 0xFFFF and _mem.tx_tone > 0x2000:

            tcode, tpol = _get_dcs(_mem.tx_tone)

            mem.dtcs = tcode

            txmode = "DTCS"

        elif _mem.tx_tone != 0xFFFF:

            mem.rtone = _mem.tx_tone / 10.0

            txmode = "Tone"

        else:

            txmode = ""

        if _mem.rx_tone != 0xFFFF and _mem.rx_tone > 0x2000:

            rcode, rpol = _get_dcs(_mem.rx_tone)

            mem.rx_dtcs = rcode

            rxmode = "DTCS"

        elif _mem.rx_tone != 0xFFFF:

            mem.ctone = _mem.rx_tone / 10.0

            rxmode = "Tone"

        else:

            rxmode = ""

        if txmode == "Tone" and not rxmode:

            mem.tmode = "Tone"

        elif txmode == rxmode and txmode == "Tone" and mem.rtone == mem.ctone:

            mem.tmode = "TSQL"

        elif txmode == rxmode and txmode == "DTCS" and mem.dtcs == mem.rx_dtcs:

            mem.tmode = "DTCS"

        elif rxmode or txmode:

            mem.tmode = "Cross"

            mem.cross_mode = "%s->%s" % (txmode, rxmode)

        if mem.tmode == "DTCS":

            mem.dtcs_polarity = "%s%s" % (tpol, rpol)

        LOG.debug("Got TX %s (%i) RX %s (%i)" %

                  (txmode, _mem.tx_tone, rxmode, _mem.rx_tone))

    def get_memory(self, number):

        if self._skipflags:

            bitpos = (1 << ((number - 1) % 8))

            bytepos = ((number - 1) / 8)

            LOG.debug("bitpos %s" % bitpos)

            LOG.debug("bytepos %s" % bytepos)

            _skp = self._memobj.skipflags[bytepos]

        mem = chirp_common.Memory()

        mem.number = number

        if self.MODEL == "RB17A":

            if mem.number < 17:

                _mem = self._memobj.lomems[number - 1]

            else:

                _mem = self._memobj.himems[number - 17]

        else:

            _mem = self._memobj.memory[number - 1]

        if self._reserved:

            _rsvd = _mem.reserved.get_raw()

        mem.freq = int(_mem.rxfreq) * 10

        # We'll consider any blank (i.e. 0MHz frequency) to be empty

        if mem.freq == 0:

            mem.empty = True

            return mem

        if _mem.rxfreq.get_raw() == "\xFF\xFF\xFF\xFF":

            mem.freq = 0

            mem.empty = True

            return mem

        if _mem.get_raw() == ("\xFF" * 16):

            LOG.debug("Initializing empty memory")

            if self.MODEL == "RB17A":

                _mem.set_raw("\x00" * 13 + "\x04\xFF\xFF")

            if self.MODEL == "RB26" or self.MODEL == "RT76":

                _mem.set_raw("\x00" * 13 + _rsvd)

            else:

                _mem.set_raw("\x00" * 13 + "\x30\x8F\xF8")

        if self._is_txinh(_mem):

            mem.duplex = "off"

            mem.offset = 0

        elif int(_mem.rxfreq) == int(_mem.txfreq):

            mem.duplex = ""

            mem.offset = 0

        else:

            mem.duplex = int(_mem.rxfreq) > int(_mem.txfreq) and "-" or "+"

            mem.offset = abs(int(_mem.rxfreq) - int(_mem.txfreq)) * 10

        mem.mode = _mem.wide and "FM" or "NFM"

        self._get_tone(_mem, mem)

        mem.power = self.POWER_LEVELS[_mem.highpower]

        if self.MODEL != "RT76":

            mem.skip = "" if (_skp & bitpos) else "S"

            LOG.debug("mem.skip %s" % mem.skip)

        mem.extra = RadioSettingGroup("Extra", "extra")

        if self.MODEL == "RT21" or self.MODEL == "RT21V" or self.MODEL == "RB17A":

            rs = RadioSettingValueList(BCL_LIST, BCL_LIST[_mem.bcl])

            rset = RadioSetting("bcl", "Busy Channel Lockout", rs)

            mem.extra.append(rset)

            rs = RadioSettingValueList(SCRAMBLE_LIST,

                                       SCRAMBLE_LIST[_mem.scramble_type - 8])

            rset = RadioSetting("scramble_type", "Scramble Type", rs)

            mem.extra.append(rset)

            if self.MODEL == "RB17A":

                rs = RadioSettingValueList(CDCSS_LIST, CDCSS_LIST[_mem.cdcss])

                rset = RadioSetting("cdcss", "Cdcss Mode", rs)

                mem.extra.append(rset)

        if self.MODEL == "RB26" or self.MODEL == "RT76":

            if self.MODEL == "RB26":

                rs = RadioSettingValueBoolean(_mem.bcl)

                rset = RadioSetting("bcl", "Busy Channel Lockout", rs)

                mem.extra.append(rset)

            rs = RadioSettingValueBoolean(_mem.compander)

            rset = RadioSetting("compander", "Compander", rs)

            mem.extra.append(rset)

        if self._gmrs:

            GMRS_IMMUTABLE = ["freq", "duplex", "offset"]

            if mem.number >= 8 and mem.number <= 14:

                mem.immutable = GMRS_IMMUTABLE + ["power", "mode"]

            else:

                mem.immutable = GMRS_IMMUTABLE

        #if self._murs:

        #    MURS_IMMUTABLE = ["freq", "duplex", "offset"]

        #    if mem.mode == "FM" and int(mem.number - 1) not in FM_MODE:

        #        mem.immutable = MURS_IMMUTABLE + ["mode"]

        #    ##else:

        #    ##    mem.immutable = MURS_IMMUTABLE

        return mem

    def _set_tone(self, mem, _mem):

        def _set_dcs(code, pol):

            val = int("%i" % code, 8) + 0x2800

            if pol == "R":

                val += 0x8000

            return val

        rx_mode = tx_mode = None

        rx_tone = tx_tone = 0xFFFF

        if mem.tmode == "Tone":

            tx_mode = "Tone"

            rx_mode = None

            tx_tone = int(mem.rtone * 10)

        elif mem.tmode == "TSQL":

            rx_mode = tx_mode = "Tone"

            rx_tone = tx_tone = int(mem.ctone * 10)

        elif mem.tmode == "DTCS":

            tx_mode = rx_mode = "DTCS"

            tx_tone = _set_dcs(mem.dtcs, mem.dtcs_polarity[0])

            rx_tone = _set_dcs(mem.dtcs, mem.dtcs_polarity[1])

        elif mem.tmode == "Cross":

            tx_mode, rx_mode = mem.cross_mode.split("->")

            if tx_mode == "DTCS":

                tx_tone = _set_dcs(mem.dtcs, mem.dtcs_polarity[0])

            elif tx_mode == "Tone":

                tx_tone = int(mem.rtone * 10)

            if rx_mode == "DTCS":

                rx_tone = _set_dcs(mem.rx_dtcs, mem.dtcs_polarity[1])

            elif rx_mode == "Tone":

                rx_tone = int(mem.ctone * 10)

        _mem.rx_tone = rx_tone

        _mem.tx_tone = tx_tone

        LOG.debug("Set TX %s (%i) RX %s (%i)" %

                  (tx_mode, _mem.tx_tone, rx_mode, _mem.rx_tone))

    def set_memory(self, mem):

        if self._skipflags:

            bitpos = (1 << ((mem.number - 1) % 8))

            bytepos = ((mem.number - 1) / 8)

            LOG.debug("bitpos %s" % bitpos)

            LOG.debug("bytepos %s" % bytepos)

            _skp = self._memobj.skipflags[bytepos]

        if self.MODEL == "RB17A":

            if mem.number < 17:

                _mem = self._memobj.lomems[mem.number - 1]

            else:

                _mem = self._memobj.himems[mem.number - 17]

        else:

            _mem = self._memobj.memory[mem.number - 1]

        if self._reserved:

            _rsvd = _mem.reserved.get_raw()

        if mem.empty:

            if self.MODEL == "RB17A":

                _mem.set_raw("\xFF" * 12 + "\x00\x00\xFF\xFF")

            elif self.MODEL == "RB26" or self.MODEL == "RT76":

                _mem.set_raw("\xFF" * 13 + _rsvd)

            else:

                _mem.set_raw("\xFF" * (_mem.size() / 8))

            if self._gmrs:

                GMRS_FREQ = int(GMRS_FREQS[mem.number - 1] * 100000)

                if mem.number > 22:

                    _mem.rxfreq = GMRS_FREQ

                    _mem.txfreq = int(_mem.rxfreq) + 500000

                    _mem.wide = True

                else:

                    _mem.rxfreq = _mem.txfreq = GMRS_FREQ

                if mem.number >= 8 and mem.number <= 14:

                    _mem.wide = False

                    _mem.highpower = False

                else:

                    _mem.wide = True

                    _mem.highpower = True

            #if self._murs:

            #    ##_mem.set_raw("\xFF" * 12 + "\x00\x20\x8F\xF8")

            #    MURS_FREQ = int(MURS_FREQS[mem.number - 1] * 100000)

            #    print "murs freq"

            #    print MURS_FREQ

            #    _mem.rxfreq = _mem.txfreq = MURS_FREQ

            #    ##_mem.highpower = True

            #    if int(mem.number - 1) not in FM_MODE: